Why it worked
The video leverages curiosity by posing a question about the large quantity of items being produced, combined with the satisfying visual of the 3D printing process and the product itself. The clear call to action and the creator's bio link directly facilitate purchases.
Summary
The video shows a person removing a large number of small, orange traffic cones from a 3D printer build plate and dropping them into a container. The on-screen text asks "Why am I printing so many cones?" and the caption and bio link indicate these are for sale from FidgetDrifter.com.